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California's 18th congressional district
Interactive map of district boundaries since 2023 (Used in the 2022 elections)
Representative	Zoe Lofgren D–San Jose
Population (2023)	743,048
Median household income	$96,762
Ethnicity	65.3% Hispanic 18.4% White 10.9% Asian 2.5% Two or more races 1.9% Black 1.0% other
Cook PVI	D+21

California's 18th congressional district is a congressional district located in the U.S. state of California. The district is currently represented by Democrat Zoe Lofgren. Since the 2022 election, the district is landlocked and includes all of San Benito County and parts of Santa Clara and Monterey counties, including Salinas, Hollister, Watsonville, Gilroy, Soledad, and downtown and eastern San Jose.

Due to the presence of Silicon Valley, the district had a median household income of $149,375, the second highest of any congressional district in the country. After redistricting, the district picked up agricultural areas of Monterey County, and its median household income dropped substantially, to $90,456.

History

2020 redistricting

Following the 2020 census and the subsequent 2020 United States redistricting cycle, California lost a congressional district, leading to significant changes across California's districts. Most of the area previously part of the 18th district was split into the new 16th district and 19th district. The 18th district was moved to cover the Salinas Valley in Monterey County and the downtown and east side of San Jose. With the changes, the 18th became a Latino majority district.

2010 redistricting

Following the 2010 census and the subsequent 2010 United States redistricting cycle, California's 18th congressional district was redrawn by the California Citizens Redistricting Commission. Cities and CDPs in the district include Palo Alto, Stanford, Los Altos, Woodside, Mountain View, Los Altos Hills, Campbell, Saratoga, Los Gatos, and Scotts Valley; most of Menlo Park and Redwood City; and part of San Jose.

2000 redistricting

Following the 2000 census and the subsequent 2000 United States redistricting cycle, California's congressional districts were redrawn by the California State Legislature. From 2003 to 2013, the district was located in the San Joaquin Valley. It included Merced County and portions of San Joaquin, Stanislaus, Madera, and Fresno counties. Cities in the district included Modesto, most of Stockton, Ceres, Atwater, Merced, and Los Banos.

Recent election results from statewide races

Composition

As of the 2020 redistricting, California's 18th congressional district was shifted geographically to cover the Salinas Valley. It encompasses San Benito, the southernmost point of Santa Cruz County, and the interiors of Santa Clara and Monterey Counties.

Santa Cruz County is split between this district and the 19th district. They are partitioned by Pajaro River, Highway 129, W Beach St, Lee Rd, Highway 1, Harkins Slough Rd, Harkins Slough, Old Adobe Rd, Corralitos Creek, Varin Rd, Pioneer Rd, Green Valley Rd, Casserly Rd, Mt Madonna Rd. The 18th district takes in most of the city of Watsonville and the census-designated places Interlaken, Amesti, and Freedom.

Santa Clara County is split between this district, the 19th district, the 16th district, and the 17th district. The 18th, 16th, and 19th are partitioned by Bella Vista Ln, Bodfish Creek, Burchell Rd, Bluebell Dr, Day Rd, Highway G8, W San Martin Ave, Santa Teresa Blvd, Sunnyside Ave, Morgan Hill City Limits, Hale Ave, Tilton Ave, Monterey Rd, Highway 101, Coyote Rd, Anderson Lake, Las Animas Rd, Metcalf Rd, Yerba Buena Creek, Old Yerba Buena Rd, Aborn Rd, Quincy Rd, Norwood Ave, Murillo Ave, Pleasant Acres Dr, Westview Dr, Pleasant Knoll Dr, Guluzzo Dr, Flint Ave, Marten Ave, Coldwater Dr, Ocala Ave, Wonderama Dr, Cunningham Ave, Swift Ave, Highway 101, Story Rd, Monterey Rd, Highway 87, Highway 280, Highway 880. The 18th and 17th are partitioned by Steven's Creek Blvd, Di Salvo Ave, Bellerose Dr, Forest Ave, Wabash Ave, W San Carlos St, Race St, The Alameda, University Ave, Elm St, Highway 82, Newhall St, Morse St, Idaho St, Alameda Ct, Sherwood Ave, Hamline St, Highway 880, Highway 101, McKee Rd, Toyon Ave, Penitencia Creek Rd, Canon Vista Ave, Crothers Rd, Alum Rock Park, Sierra Rd, Felter Rd, Weller Rd. The 18th district takes in the center of the city of San Jose and part of the San Jose district of Alum Rock. It also takes in the cities of Morgan Hill and Gilroy and the census-designated places East Foothills and San Martin.

Monterey County is split between this district and the 19th district. They are partitioned by Union Pacific, Highway G12, Elkhorn Rd, Echo Valley Rd, Maher Rd, Maher Ct, La Encina Dr, Crazy Horse Canyon Rd, San Juan Grade Rd, Highway 101, Espinosa Rd, Castroville Blvd, Highway 156, Highway 1, Tembladero Slough, Highway 183, Cooper Rd, Blanco Rd, Salinas River, Davis Rd, Hitchcock Rd, Highway 68, E Blanco Rd, Nutting St, Abbott St, Highway G17, Limekiln Creek, Likekiln Rd, Rana Creek, Tularcitos Creek, Highway G16, Tassajara Rd, Camp Creek, Lost Valley Creek, Lost Valley Conn, N Coast Rdg, 2 Central Coa, Cone Peak Rd, Nacimiento Fergusson Rd, Los Bueyes Creek, and the Monterey County Southern border. The 18th district takes in the cities of Salinas, Soledad, Greenfield, King City, and Gonzales, and the north side of the census-designated place Prunedale, and the census-designated places Aromas (shared with San Benito County), Pajaro, Las Lomas, Boronda, Chualar, Pine Canyon, San Lucas, San Ardo, Lockwood, and Fort Hunter Liggett

Cities and CDPs with 10,000 or more people

• San Jose – 971,233
• Salinas – 163,542
• Gilroy – 58,101
• Watsonville – 52,590
• Morgan Hill – 45,483
• Hollister – 41,678
• Soledad – 24,925
• Greenfield – 18,937
• Prunedale – 18,885
• Greenfield – 17,516
• King City – 13,332
• Alum Rock – 12,042

2,500 – 10,000 people

• Gonzales – 8,647
• Castroville – 7,515
• Interlaken – 7,368
• San Martin – 7,027
• East Foothills – 6,803
• Freedom – 3,835
• Ridgemark – 3,212
• Las Lomas – 3,046
• Pajaro – 2,882
• Aromas – 2,708
• Amesti – 2,637

List of members representing the district

Member	Party	Dates	Cong ress(es)	Electoral history	Counties
District created March 4, 1933
John H. Burke (Long Beach)	Democratic	March 4, 1933 – January 3, 1935	73rd	Elected in 1932. Retired.	1933–1963 Los Angeles County
Byron N. Scott (Long Beach)	Democratic	January 3, 1935 – January 3, 1939	74th 75th	Elected in 1934. Re-elected in 1936. Lost re-election.
Thomas M. Eaton (Long Beach)	Republican	January 3, 1939 – September 16, 1939	76th	Elected in 1938. Died.
Vacant		September 16, 1939 – January 3, 1941
William Ward Johnson (Long Beach)	Republican	January 3, 1941 – January 3, 1945	77th 78th	Elected in 1940. Re-elected in 1942. Lost re-election.
Clyde Doyle (Long Beach)	Democratic	January 3, 1945 – January 3, 1947	79th	Elected in 1944. Lost re-election.
Willis W. Bradley (Long Beach)	Republican	January 3, 1947 – January 3, 1949	80th	Elected in 1946. Lost re-election.
Clyde Doyle (Long Beach)	Democratic	January 3, 1949 – January 3, 1953	81st 82nd	Elected in 1948. Re-elected in 1950. Redistricted to the 23rd district.
Craig Hosmer (Long Beach)	Republican	January 3, 1953 – January 3, 1963	83rd 84th 85th 86th 87th	Elected in 1952. Re-elected in 1954. Re-elected in 1956. Re-elected in 1958. Re-elected in 1960. Redistricted to the 32nd district.
Harlan Hagen (Hanford)	Democratic	January 3, 1963 – January 3, 1967	88th 89th	Redistricted from the 14th district and re-elected in 1962. Re-elected in 1964. Lost re-election.	1963–1967 Kern County, Kings County, Tulare County
Bob Mathias (Tulare)	Republican	January 3, 1967 – January 3, 1975	90th 91st 92nd 93rd	Elected in 1966. Re-elected in 1968. Re-elected in 1970. Re-elected in 1972. Redistricted to the 17th district and lost re-election.	1967–1973 Kern County, Tulare County
					1973–1975 Amador County, Calaveras County, Inyo County, Kern County (sliver in north), Madera County, Mariposa County, Mono County, Tulare County, Tuolumne County
William M. Ketchum (Bakersfield)	Republican	January 3, 1975 – June 24, 1978	94th 95th	Redistricted from the 36th district and re-elected in 1974. Re-elected in 1976. Died.	Inyo County, Kern County, northern Los Angeles County, Tulare County
Vacant		June 24, 1978 – January 3, 1979	95th
Bill Thomas (Bakersfield)	Republican	January 3, 1979 – January 3, 1983	96th 97th	Elected in 1978. Re-elected in 1980. Redistricted to the 20th district.
Richard Lehman (Fresno)	Democratic	January 3, 1983 – January 3, 1993	98th 99th 100th 101st 102nd	Elected in 1982. Re-elected in 1984. Re-elected in 1986. Re-elected in 1988. Re-elected in 1990. Redistricted to the 19th district.	1983–1993 Calaveras County, Fresno County (Fresno city), Madera County, Mono County, eastern San Joaquin County, Tuolumne County
Gary Condit (Ceres)	Democratic	January 3, 1993 – January 3, 2003	103rd 104th 105th 106th 107th	Redistricted from the 15th district and re-elected in 1992. Re-elected in 1994. Re-elected in 1996. Re-elected in 1998. Re-elected in 2000. Lost renomination.	1993–2003 Northwestern Fresno County, western Madera County, Merced County, southwestern San Joaquin County, Stanislaus County
Dennis Cardoza (Atwater)	Democratic	January 3, 2003 – August 14, 2012	108th 109th 110th 111th 112th	Elected in 2002. Re-elected in 2004. Re-elected in 2006. Re-elected in 2008. Re-elected in 2010. Resigned to become a lobbyist.	2003–2013 Small part of western Fresno County, Merced County, San Joaquin County (Stockton), western Stanislaus County
Vacant		August 14, 2012 – January 3, 2013	112th	Redistricted to the 10th district
Anna Eshoo (Atherton)	Democratic	January 3, 2013 – January 3, 2023	113th 114th 115th 116th 117th	Redistricted from the 14th district and re-elected in 2012. Re-elected in 2014. Re-elected in 2016. Re-elected in 2018. Re-elected in 2020. Redistricted to the 16th district.	2013–2023 Portions of San Mateo, Santa Clara, and Santa Cruz
Zoe Lofgren (San Jose)	Democratic	January 3, 2023 – present	118th 119th	Redistricted from the 19th district and re-elected in 2022. Re-elected in 2024.	2023–present Much of Santa Clara County, including most of the city of San Jose

Election results

1932

1934

1936

1938

1940

1942

1944

1946

1948

1950

1952

1954

1956

1958

1960

1962

1964

1966

1968

1970

1972

1974

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1978

1980

1982

1984

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1988

1990

1992

1994

1996

1998

2000

2002

2004

2006

2008

2010

2012

2014

2016

2018

2020

2022

See also

• List of United States congressional districts
• California's congressional districts

References

1. ^ "My Congressional District".
2. "2022 Cook PVI: District Map and List". Cook Political Report. July 12, 2022. Retrieved January 10, 2023.
3. "CA 2022 Congressional". Dave's Redistricting. January 4, 2022. Retrieved November 11, 2022.
4. DePietro, Andrew. "The Wealthiest Congressional Districts Of 2022". Forbes. Retrieved November 22, 2022.
5. "Lofgren Builds Support in New Congressional District that Stretches from San Jose to Salinas". San Jose Inside. January 18, 2022. Retrieved March 17, 2022.
6. https://davesredistricting.org/maps#viewmap::fc9d2d06-7c7f-451c-92cb-122127a79c29
7. "Complete Supplement to the Statement of Vote" (PDF). November 8, 2022. Archived (PDF) from the original on January 8, 2025. Retrieved January 21, 2025.
8. https://www.sanbenitocounty-ca-cre.gov/home/showpublisheddocument/13373/638700412229400000
9. https://files.santaclaracounty.gov/exjcpb1296/2024-12/district-canvass_20241203144759088.xlsx?VersionId=wuNI4spSFf.CKU1lKMB6naAb3MsJ1huM
10. https://www.countyofmonterey.gov/home/showpublisheddocument/137108/638688350304530000
11. https://lww.votescount.com/Portals/16/nov24/Complete%20SOV.pdf
12. "1932 election results" (PDF). Retrieved November 20, 2022.
13. "1934 election results" (PDF). Retrieved November 20, 2022.
14. "1936 election results" (PDF). Retrieved November 20, 2022.
15. "1938 election results" (PDF). Retrieved November 20, 2022.
16. "1940 election results" (PDF). Retrieved November 20, 2022.
17. 1942 election results
18. 1944 election results
19. 1946 election results
20. 1948 election results
21. 1950 election results
22. 1952 election results
23. "1954 election results" (PDF). Retrieved November 20, 2022.
24. 1956 election results
25. 1958 election results
26. 1960 election results
27. 1962 election results
28. 1964 election results
29. 1966 election results
30. 1968 election results
31. 1970 election results
32. 1972 election results
33. 1974 election results
34. 1976 election results
35. 1978 election results
36. 1980 election results
37. 1982 election results
38. 1984 election results
39. 1986 election results
40. 1988 election results
41. 1990 election results
42. 1992 election results
43. 1994 election results
44. 1996 election results
45. 1998 election results
46. 2000 election results
47. 2002 general election results Archived February 3, 2009, at the Wayback Machine
48. 2004 general election results Archived August 21, 2008, at the Wayback Machine
49. 2006 general election results Archived November 27, 2008, at the Wayback Machine
50. 2008 general election results Archived December 21, 2008, at the Wayback Machine
51. 2010 general election results
52. 2012 general election results Archived October 19, 2013, at the Wayback Machine
53. "U.S. House of Representatives District 18 - Districtwide Results". Archived from the original on December 21, 2014. Retrieved December 21, 2014.

External links

• GovTrack.us: California's 18th congressional district
• RAND California Election Returns: District Definitions
• California Voter Foundation map - CD18

37°12′N 121°00′W / 37.2°N 121°W / 37.2; -121

• Congressional districts of California
• Government of San Mateo County, California
• Government of Santa Clara County, California
• Santa Cruz Mountains
• Silicon Valley
• Los Altos, California
• Los Gatos, California
• Mountain View, California
• Palo Alto, California
• Portola Valley, California
• Redwood City, California
• Sunnyvale, California
• San Jose, California
• Woodside, California
• Constituencies established in 1933
• 1933 establishments in California
• Government in the San Francisco Bay Area